{"id":41,"date":"2010-04-30T15:58:13","date_gmt":"2010-04-30T07:58:13","guid":{"rendered":"http:\/\/www.myvoipapp.com\/blogs\/yxh\/?p=41"},"modified":"2019-02-12T20:11:58","modified_gmt":"2019-02-12T12:11:58","slug":"android%e5%bc%80%e5%8f%91%e6%8c%87%e5%af%bc%e9%9a%8f%e8%af%912-%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%863","status":"publish","type":"post","link":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/2010\/04\/30\/android%e5%bc%80%e5%8f%91%e6%8c%87%e5%af%bc%e9%9a%8f%e8%af%912-%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%863\/","title":{"rendered":"Android\u5f00\u53d1\u6307\u5bfc\u968f\u8bd1(2) \u2014 \u5e94\u7528\u7a0b\u5e8f\u57fa\u672c\u539f\u7406(3)"},"content":{"rendered":"<p><strong>Service(\u670d\u52a1)<\/strong><\/p>\n<p>\u670d\u52a1\u6ca1\u6709\u53ef\u89c6\u754c\u9762, \u800c\u662f\u5728\u540e\u53f0\u8fd0\u884c\u4e0d\u786e\u5b9a\u7684\u65f6\u95f4. \u4f8b\u5982, \u4e00\u4e2a\u670d\u52a1\u53ef\u4ee5\u64ad\u653e\u80cc\u666f\u97f3\u4e50, \u6216\u8005\u4ece\u7f51\u7edc\u4e2d\u83b7\u53d6\u6570\u636e, \u6216\u8005\u505a\u4e00\u4e9b\u8ba1\u7b97,\u7b49\u7b49.<\/p>\n<p>\u6bcf\u4e2a\u670d\u52a1\u90fd\u662f\u4eceService\u57fa\u7c7b\u6269\u5c55(\u7b14\u6ce8: extend? or \u6d3e\u751f?).<\/p>\n<p>\u5178\u578b\u7684\u5e94\u7528\u4f8b\u5b50\u662f\u5a92\u4f53\u64ad\u653e. \u5982\u679c\u5a92\u4f53\u64ad\u653e\u884c\u4e3a\u9000\u51fa\u540e, \u4ecd\u7136\u5e0c\u671b\u80fd\u7ee7\u7eed\u64ad\u653e\u97f3\u4e50, \u5a92\u4f53\u64ad\u653e\u884c\u4e3a\u5e94\u542f\u52a8\u4e00\u4e2a\u670d\u52a1\u5728\u540e\u53f0\u8fd0\u884c. \u7cfb\u7edf\u5c06\u4fdd\u6301\u97f3\u4e50\u64ad\u653e\u670d\u52a1, \u5373\u4f7f\u542f\u52a8\u5b83\u7684\u884c\u4e3a\u5df2\u7ecf\u79bb\u5f00\u4e86\u5f53\u524d\u5c4f\u5e55.<\/p>\n<p>\u53ef\u4ee5\u8fde\u63a5\u5df2\u7ecf\u8fd0\u884c\u7684\u670d\u52a1, \u6216\u8005\u542f\u52a8\u5c1a\u672a\u8fd0\u884c\u7684\u670d\u52a1. \u8fde\u63a5\u5b8c\u6210\u540e, \u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u63d0\u4f9b\u7684\u63a5\u53e3\u4e0e\u670d\u52a1\u8fdb\u884c\u901a\u4fe1. \u5bf9\u97f3\u4e50\u670d\u52a1\u800c\u8a00, \u5b83\u63d0\u4f9b\u7684\u63a5\u53e3\u53ef\u4ee5\u5141\u8bb8\u7528\u6237\u6682\u505c, \u5012\u56de, \u4f53\u5236\u6216\u8005\u91cd\u65b0\u64ad\u653e\u97f3\u4e50.<\/p>\n<p>\u4e0e\u884c\u4e3a\u548c\u5176\u4ed6\u7ec4\u4ef6\u4e00\u6837, \u670d\u52a1\u8fd0\u884c\u5728\u5e94\u7528\u7a0b\u5e8f\u8fdb\u7a0b\u7684\u4e3b\u7ebf\u7a0b, \u6240\u4ee5\u5b83\u4eec\u4e0d\u4f1a\u963b\u585e\u5176\u4ed6\u7ec4\u4ef6\u6216\u8005\u7528\u6237\u754c\u9762. (<span style=\"color: #0000ff;\">\u7b14\u6ce8: \u8fd9\u91cc\u7684\u610f\u601d\u5e94\u8be5\u662f\u6307\u670d\u52a1\u662f\u5728\u4e00\u4e2a\u72ec\u7acb\u7684\u7ebf\u7a0b\u4e2d\u8fd0\u884c, \u4e0d\u4f1a\u5e72\u6270\u5176\u4ed6\u7ebf\u7a0b\u5427??<\/span>)<\/p>\n<p><strong>Broadcast receivers(\u5e7f\u64ad\u63a5\u6536\u8005,BR)<\/strong><\/p>\n<p>BR\u53ea\u63a5\u6536\u548c\u54cd\u5e94\u5e7f\u64ad\u901a\u77e5, \u4e0d\u505a\u5176\u4ed6\u4efb\u4f55\u4e8b\u60c5. \u6709\u4e9b\u5e7f\u64ad\u662f\u7531\u7cfb\u7edf\u53d1\u8d77\u7684, \u4f8b\u5982\u65f6\u533a\u6539\u53d8, \u7535\u6c60\u7535\u91cf\u4e0d\u8db3, \u7528\u6237\u6539\u53d8\u4e86\u754c\u9762\u8bed\u8a00\u7b49. \u5e94\u7528\u7a0b\u5e8f\u4e5f\u80fd\u53d1\u8d77\u5e7f\u64ad, \u4f8b\u5982\u901a\u77e5\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u67d0\u4e9b\u6570\u636e\u5df2\u7ecf\u4e0b\u8f7d\u5230\u8bbe\u5907,\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528\u4e86.<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u7531\u4efb\u610f\u6570\u76ee\u7684BR\u6765\u54cd\u5e94\u5b83\u8ba4\u4e3a\u91cd\u8981\u7684\u4efb\u4f55\u901a\u77e5. \u6240\u6709\u7684\u63a5\u6536\u8005\u90fd\u662f\u6269\u5c55\u81eaBroadcastReceiver\u57fa\u7c7b.<\/p>\n<p>BR\u4e5f\u4e0d\u663e\u793a\u7528\u6237\u754c\u9762. \u7136\u800c, \u5b83\u4eec\u53ef\u4ee5\u542f\u52a8\u4e00\u4e2a\u884c\u4e3a\u6765\u54cd\u5e94\u5b83\u4eec\u63a5\u6536\u5230\u7684\u4fe1\u606f, \u6216\u8005\u4f7f\u7528NotificationManager\u901a\u77e5\u7528\u6237.<\/p>\n<p><strong>Content providers (\u5185\u5bb9\u63d0\u4f9b\u8005, CP)<\/strong><\/p>\n<p>CP\u53ef\u4ee5\u4f7f\u4e00\u7cfb\u5217\u7684\u5e94\u7528\u7a0b\u5e8f\u6570\u636e\u80fd\u591f\u88ab\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528.<\/p>\n<p>CP\u6269\u5c55\u81eaContentProvider\u57fa\u7c7b, \u5b9e\u73b0\u4e86\u4e00\u7cfb\u5217\u6807\u51c6\u7684\u65b9\u6cd5\u4f9b\u5176\u4ed6\u7a0b\u5e8f\u83b7\u53d6,\u5b58\u50a8\u5b83\u6240\u63a7\u5236\u7684\u6570\u636e\u7c7b\u578b. \u7136\u800c, \u5e94\u7528\u7a0b\u5e8f\u4e0d\u662f\u76f4\u63a5\u8c03\u7528\u8fd9\u4e9b\u65b9\u6cd5, \u800c\u662f\u4f7f\u7528ContentResolver(CR)\u5bf9\u8c61\u5e76\u8c03\u7528\u5b83\u7684\u65b9\u6cd5. \u4e00\u4e2aCR\u53ef\u4ee5\u4e0e\u4efb\u4f55CP\u901a\u8bdd. CR\u548cCP\u5171\u540c\u7ba1\u7406\u7740\u8de8\u8fdb\u7a0b\u901a\u4fe1.<\/p>\n<p><em>\u9644\u6ce8, \u6211\u5f00\u59cb\u4f7f\u7528\u7f29\u5199\u8bed\u4e86, \u73b7\u6c61\u4e86\u4e2d\u6587\u73af\u5883, \u6211\u5f88\u60ed\u6127&#8230;&#8230;<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Service(\u670d\u52a1) \u670d\u52a1\u6ca1\u6709\u53ef\u89c6\u754c\u9762, \u800c\u662f\u5728\u540e\u53f0\u8fd0\u884c\u4e0d\u786e\u5b9a\u7684\u65f6\u95f4. \u4f8b\u5982, \u4e00\u4e2a\u670d\u52a1\u53ef\u4ee5\u64ad\u653e\u80cc\u666f\u97f3\u4e50, \u6216\u8005\u4ece\u7f51\u7edc\u4e2d\u83b7\u53d6\u6570\u636e, \u6216\u8005\u505a\u4e00\u4e9b\u8ba1\u7b97,\u7b49\u7b49. \u6bcf&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.myvoipapp.com\/blogs\/yxh\/2010\/04\/30\/android%e5%bc%80%e5%8f%91%e6%8c%87%e5%af%bc%e9%9a%8f%e8%af%912-%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%863\/\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[21,20,22],"class_list":["post-41","post","type-post","status-publish","format-standard","hentry","category-6","tag-broadcast","tag-content-provider","tag-service"],"_links":{"self":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/41","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/comments?post=41"}],"version-history":[{"count":2,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/41\/revisions"}],"predecessor-version":[{"id":1975,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/41\/revisions\/1975"}],"wp:attachment":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/media?parent=41"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/categories?post=41"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/tags?post=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}